Recent questions tagged iOS

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ios - AudioKit: Using the new AKSequencer with any variety of the callback instruments

This topic has been covered Numerous Times, and I have successfully used a AKMIDICallbackInstrument with the old ... with the new AKSequencer. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Limit formatted Measurement to 2 digits

I'd like to print a string based on a Measurement but limit it to 2 digits. I am using the MeasurementFormatter ... 0 lb. Where's my mistake? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - How to install an unsigned IPA file on my device using an Apple Developer account?

I need to install an .ipa file that I own onto my device, an iPhone 5. I have the device, the iOS developer ... do I install it in my device? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - How to convert an PFFile to an UIImage with swift?

How do i convert an PFFile to an UIImage with swift? In this code, the app is getting the file from parse and now ... !) (error!.userInfo!)") } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - decrypt value from blowfish in Objective-C code

I am recieving the Encrypted data by server (BLOWFISH ALGORITHM) , I have to decrypt it by using ... converted to hexadecimal notation. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - How to effectively process UITouches in a multitouch sequence

I am working with multitouch while writing, So basically what I am doing is, I am writing with hand support, ... So friends, please help me out See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - New iTunes connect interface -- should it IMMEDIATELY be seen on "Prerelease"?

Regarding the insane changes to itunesconnect. When you successfully upload a build from Xcode, It seems you have to ... knows ... THANK YOU. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Swift Photo Library Access

I would like to access photos from the user's photo library in my app and I was looking at the ... from storing each photo. Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Testing for equality in Realm

I'm trying to test for equality among Realm objects in unit tests. However, I'm unable to get objects to return true ... { text = asdf; })") See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - How to display remote document using QLPreviewController in swift

I am using QLPreviewController to preview documents, But i do not know how to display document stored on a server. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Swift: Failed to assign value to a property of protocol?

Class A provides a string value. Class B has two members of A type inside itself, and provide a computed ... for the property of protocols? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - UIColor colorWithRed:green:blue:alpha: always returns white unless one argument is 0

I am using [UIColor colorWithRed:136 green:155 blue:218 alpha:1.0]; to change the background color of my table ... to me. Any advice or tips? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - How to use NSUnderlineStyle.PatternDot

I am trying to use NSMutableAttributedString with dotted underline below is my code but none of the Patterns seem to ... (0, str.length)) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - URLresponse is not retrieved after storing in cache using storeCachedResponse

Goal I'm trying to inject data/response from URLRequest into another URLRequest in my cache. Setup This is ... x-varnish : 48388488, 503119619 458396839 x-cache-status...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Memory leaks in the swift playground / deinit{} not called consistently

ARC object deletion seems to be inconsistent in the Swift Playground. Is it a bug or by design? Consider this class: ... > t2 $R3: Test? = nil See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Pod install command with error

I've been trying to use cocoapods and install them into my project but its giving me this error while trying to install ... /pod:23:in `<main>' See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Is there any way to get the tamper-proof date and time on iPhone?

For various reasons I need to get from the iPhone the current date and time that can't be meddled with ... work without a network connection. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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232 views

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ios - Swift compatibility between versions for a library

I'm distributing libraries for other developers to use (http://empiric.al). I've noticed that between swift versions, ... puts a new beta out? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - CIFilter output image nil

I am using core image and I am applying a CIFilter sepia tone to my image. I run a filter once in viewDidLoad ... that can be recreated. } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Swift 3 JSON NSFastEnumerationIterator has no subscript members

Im using Swift 3 and Alamofire 4.0. I am able to print out the entire response but I am having trouble looping ... print(title) } } } } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Detect touch on child node of object in SpriteKit

I have a custom class that is an SKNode, which in turn has several SKSpriteNodes in it. Is there a way I can ... scene? I'm working in swift See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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297 views

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ios - Swift - Checking unmanaged address book single value property for nil

I'm relative new to iOS-Development and swift. But up to this point I was always able to help myself by ... help me out with some brainwave. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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145 views

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ios - How to get a Swift type name as a string with its namespace (or framework name)

Is there any way to get a Swift type name as a string with its namespace (or framework name)? For example, if ... name "Foo" as a namespace. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - How get the list of errors thrown by a function?

With Swift now some functions are marked with throws, and this force the developers to call the function inside a ... achieve the same on Swift? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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285 views

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ios - UITableViewCell auto height based on amount of UILabel text

I have a bit of a tricky set up in my storyboard, I have a UIViewController that holds a ... { return UITableViewAutomaticDimension; } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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256 views

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ios - Why do some views appear as a red no entry sign in widgets?

I've created a project in xcode 12 and added a Widget Extension target. The target is created and I'm ... ? Any help much appreciated. Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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473 views

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ios - How to enable "tap and slide" in a UISlider?

What I want to get is a UISlider which lets the user not only slide when he starts on its thumbRect, but also ... 'touch and slide' right away). See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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157 views

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ios - Total sum from a set (logic)

I have a logic problem for an iOS app but I don't want to solve it using brute-force. I have a set ... return the same. Thanks in advance! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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